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Czech CSN 422904 Cr-Ni steel 42 2904 for castings and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 422904 / 422904
Category Grade Standard Region/Area Standard Content
Metals 422904 CSN 42 2904 Czech Cr-Ni steel 42 2904 for castings

Chemical composition(mass fraction)(wt.%) of the 422904

Element Min Max Similar
Si - 0.6000 -
S - 0.0350 -
P - 0.0350 -
Ni 0.7000 1.2000 -
Mn 0.5000 0.9000 -
Cu - 0.5000 -
Cr 11.5000 14.0000 -
C - 0.1500 -

Mechanical Properties of steel grade 422904

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
172 (≥) 767 (≥) 33 31 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 134

Physical Properties of steel grade 422904

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
32 - -     0.43 -  
748 965 - 34.3 423   -  
976 - 14 34.2   441 112

Heat Treatment of steel grade 422904

Heat treated : 1661°C - 1614°C

Technological Curves of steel grade 422904

Cross Reference Table (Equivalent Grade) of 422904

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